stepped forward 向前迈步
stepped back 后退一步
stepped into 走进
stepped out 走出
stepped aside 让开
stepped up 加强
A: Did he stepped into the office early?
A：他早早走进办公室了吗？
B: Yes, he stepped in before everyone arrived.
B：是的，他在大家到之前就进去了。
1) 迈步进入某处
2) 采取某种行动或进入某阶段
3) 增加或加强某种努力（stepped up）
1. 踏步；走入
2. 加强；提升（常用于step up）
verb
1. Past tense and past participle of step; to move by lifting and placing a foot or to take action.